i ran into this problem today. but the dreadful part is that i formatted the disk and now i can not get through the install process. i thought it should at least install the os, then just constantly give give me a activation warning until i call ms. any one have a good suggestion on how to get out of this one? can i just call ms? i am only asking because at this point it is just telling me invaild key over and over, i am not getting the call ms screen with all the numbers you have to read them. help??